This paper presents an innovative cross-coupled differential drive rectifier for dual-band Radio frequency identification (RFID) tags. A self-compensating rectifier with enhanced power-conversion efficiency (PCE) at low and high RF power is proposed. The proposed rectifier utilizes a self-compensating circuit, the extra two cross-couple transistors, to increase the gate voltage of transistors to control the conduction of the rectifying transistors. In order to adapt high frequency (HF) and ultrahigh frequency (UHF) rectification, the matching circuit is designed with parasitic cancellation technology. Moreover, the cascading power management circuits are added to generate a stable output voltage. The multi-standard rectifier is designed and simulated in [Formula: see text] CMOS process. The simulated result shows that the proposed three-stage rectifier achieves a PCE 74% (at [Formula: see text] load) when receiving a 915[Formula: see text]MHz signal with average power of [Formula: see text]. Moreover, the maximum efficiency achieves 56% at HF 13.56[Formula: see text]MHz, and the final output voltage can be stabilized at a specific voltage of 1.052[Formula: see text]V.
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